Indefinite causal order with output-signalling instruments

arXiv:2609.31863 · quant-ph · Submitted 2026-09-25 · Read on arXiv

quant-ph

Submitted: 2026-09-25

Updated: 2026-09-25

Terminology

• Entanglement — 8× in this paper · explained in 4 episodes
• Hilbert Space — 3× in this paper · explained in 2 episodes
• Core — 2× in this paper · explained in 2 episodes
• Generalization — 2× in this paper · explained in 13 episodes
• Indefinite Causal Order (ICO) — 2× in this paper · explained in 2 episodes
• Trace — 2× in this paper · explained in 2 episodes
• Adam — 1× in this paper · explained in 2 episodes
• Fidelity — 1× in this paper · explained in 2 episodes

Sources

• Can outcome communication explain Bell nonlocality?
• Indefinite Quantum Causality
• Probability Theories with Dynamic Causal Structure: A New Framework for Quantum Gravity
• The Construction Interpretation: Conceptual Roads to Quantum Gravity
• Time-Delocalized Local Measurements in an Indefinite Causal Order
• On geometrical aspects of the graph approach to contextuality
• Indefinite causal order in boxworld theories

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